Questions from Genetics


Q: If a mutation changed the start codon into a stop codon,

If a mutation changed the start codon into a stop codon, would this mutation affect the length of the RNA? Explain.

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Q: Which of these three mechanisms is very common in eukaryotes?

Which of these three mechanisms is very common in eukaryotes?

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Q: Describe the roles of snRNPs in the splicing process.

Describe the roles of snRNPs in the splicing process.

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Q: A pre-mRNA with 7 exons and 6 introns is recognized

A pre-mRNA with 7 exons and 6 introns is recognized by just one splicing repressor that binds to the 3´ end of the third intron. The third intron is located between exon 3 and exon 4. After splicing i...

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Q: What are three functional roles of the 7-methlyguanosine cap?

What are three functional roles of the 7-methlyguanosine cap?

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Q: What does the term consensus sequence mean?

What does the term consensus sequence mean?

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Q: Why is it necessary for portions of σ-factor protein to

Why is it necessary for portions of σ-factor protein to fit into the major groove?

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Q: What do the terms epistasis and complementation mean?

What do the terms epistasis and complementation mean?

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Q: What feature of the –10 sequence makes it easy to unwind

What feature of the –10 sequence makes it easy to unwind?

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Q: What would be the consequences if a mutation removed the rut site

What would be the consequences if a mutation removed the rut site from this RNA molecule?

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